Tension for braiding-carriers.



No. 679,650. Patented luly 30, |901.

. J. A. TURNER.

TENSIUN FOR BRAIDING CARRIERS.

(Application filed Jan.11, 1901.) (No Modal.)

umlmlliuu-Annmlnm-iVinum UNTTT'D STATES PATnNT Orman.

JULIUS A. TURNER, OF SOUTHFIELD, MASSACHUSETTS.

TENSION FOR BRAIDING-CARRIERS.

SPECIFICATION forming part of Letters Patent N0. 679,650, dated July 30, 1901. Application filed January 11, 1901. Serial No. 42,875. (No model.)

. citizen of the United States, and a resident of Southfield, in the county of Berkshire and State of Massachusetts, have invented a new and Improved Tension for Braiding-Carriers, of which the following is a full, clear, and exact description.

The purpose of the invention is to provideV a simple tension for racers for braiding-machines, particularly whiplash-braiding machines, comprising a fixed guide-block, a pivoted pressureblock, and a convenient means for moving the pressure-block and regulating its pressure against the thread or strand.

The invention consists in the novel construction and combination of the several parts, as will be hereinafter fully set forth, and pointed out in the claim.

Reference is to be had to the accompanying drawings, forming a part of this specification, in which similar characters of reference indicate corresponding parts in all the figures.

Figure 1 is a plan View of the improved device. Fig. 2 is a side elevation, parts being in section; and Fig. 3 is a section taken practically on the line 3 3 of Fig. 1.

A represents the racer, and B the tail belonging to the braiding-machine, particularly machines for braiding whiplashes.

C represents the bed-plate, which is at an angle to the racer, and D a reel mounted to turn on said bed-plate. This reel is shown as provided with a handle 10 and with a cap 11. In connection with the reel a brake 12 is shown, which is spring-controlled and is located on the base C and has sufficient bearing against the head of the reel adjacent to the base to prevent the reel from turning too fast.

The cap l1 in practice is suspended by a flexible shaft driven in any suitable manner and is intended to impart motion to the reel when it is to be replenished with material as the reel is lled while in position on the device. When the reel is to be turned by the cap 11, the cap is forced down to a frictional engagement with the cone of the reel, (shown best in Fig. 3,) the cap being broken away to show the cone.

Vith reference to the tension device a thread-guide is located on the bed-plate C near one end or the end opposite that at which the racer is located. This thread-guide is usually constructed as illustrated in Fig. 2, in which upper and lower plates 13 and 13 are connected near their ends by posts 14, which posts serve also to secure the plates of the thread-guide to the base C. The thread or strand 15 from the reel passes in engagement with the inner face of both of the posts 14. and around one of the posts and over a guide-pin 16, likewise located on the base. Adjacent to the thread-guide apertured lugs 17 are removably attached to or formed upon the base C, and a stem or rod 18 is mounted to slide freely in the apertures of these lugs, being provided at a point between the lugs with a threaded section 19. A spring 2O is coiled around the rod or stem 18, having bearing against one of the lugs 17 and against a nut 2l on the threaded portion of the rod or stem 18, and by adjusting the nut 21 the spring 2O may be placed under more or less tension.

At the end of the rod or stem 18 adjacent to the racer A a knob 22 is formed, and at the opposite or inner end of the rod or stem 18 a pressure-block 23 is pivotally attached. This pressure-block faces the thread-guide, and the thread is adapted to pass between the pressure-block and the said guide. The pressure-block is provided at the end nearest the reel with a bifurcated foot 24, which serves to direct the thread or strand 15 without friction to the space between the clamping-face of the pressure-block and corresponding face of the thread-guide.

The pressure-block is usually mounted on the rod or stem in the following manner: Up per and lower lugs 25 are formed at the central portion of the edge of the pressure-block which faces the rod or stem, and a head 26 is formed upon the rod or stem 18, which head enters the space between the lugs 25, as shown in Fig. 2. The pivot-pin of the pressure-block is passed through these lugs at their center and through the central portion of the head 26. Thus it will be observed that the pressure-block is capable of a rocking movement and may accommodate itself to irregularities in the thread and that it will have at all times a perfect bearing against the length of the thread with which it comes in contact.

IOC

The thread may be placed in the space between the thread-guide and pressure-block by drawing out the yrod. or stem 18 through the medium of the knob'22, and by adjusting the nut 2l the spring will cause the pressureblock to bear with greater or less force against the thread, so that the tension on the thread g may be minutely regulated.

The tension stem or rod 18-'rnay beplaced in position in the guide-lug 17 when the lugs are removed from the device, the knob 22 having been removed from the stein or rod. At this time the end of the tension stem or rod from which the knob was removed is passed a stationary thread-guide secured upon the base at one side of the reel, which guide i's in the form of a rectangular block, of a tension rod or stem, one end of which faces the threadguide, supports in which the rod or stein has A sliding movement, said rod or stem being provided with a thread between its ends, a nut upon the threaded portion of the rod or stein, and a spring encircling the rod, resting against the nut and a bearing for the rod, a knob at the outer end of the tension-rod, and a head at its inner end, a pressure-block parallel with and close to the stationary threadguide, a pivotal connection between the pressure-block and head of the tension-rod, and a bifurcated guide member at one end of the pressure-block, extending in direction of one end of the stationary thread-guide, as set forth.

In testimony whereof I have signed my n'ame to this specification in the presence of two subscribing witnesses.

JULIUS A. TURNER.

Witnesses: l

RALPH W. BRADLEY, HOWARD A. COOK. 

